Senior Software Engineer, Embedded Systems

We are looking for a Senior Embedded Software Engineer to own signal processing and firmware of Laminar's process-aware sensors. This is a hands-on technical role at the intersection of embedded systems, digital signal processing, and sensing methodology. You will implement new detectors and sensing elements, own the signal data from end to end, and work directly with Hardware and ML teams to get the visibility into the industrial processes we need. What You Will Do • Acquisition & Conditioning: Own the sensing signal chain, covering ADC acquisition and timing, filtering, integration and averaging strategy, and calibration. • Sensor Integration: Integrate new detectors and sensing elements as our sensor lineup evolves. Own integration, supporting board bring-up through production-ready drivers. • Noise Rejection: Get the real signal out of noisy environments. Tackle challenges like vibration, EMI, thermal drift, and more. • Firmware development: Develop firmware in Zephyr to interface with new detectors into our existing modular sensor stack • Calibration: Build the firmware side of calibration, including on-device coefficient storage, third party calibration procedures, and the final provisioning process for our sensors. • Device Connectivity: Ship drivers, OTA, and health monitoring for our sensors to carry data up to our Edge Gateway. About You • 4+ years of experience building embedded software for sensors or instrumentation. • Track record of owning the design, implementation, and success of significant components within a larger system. • Comfortable defining technical direction, taking ownership, and delivering in a fast-paced product iteration cycle. • Strong embedded C/C++ on microcontrollers with production Zephyr experience. You are fluent in devicetree, Kconfig, west, and the device driver model. • You have designed filters, tackled sampling and aliasing, and designed and debugged signal chains. • Comfortable with analog: ADCs, gain, references, grounding, and noise. • Testing heavy, pushing for unit tests, hardware mocks, CI, and collecting realistic data. • Experience with optical and electrical sensing and emitters. • Experience productionizing new sensing methodologies, from prototype to deployed product. Benefits • Direct impact on product and culture. • Comprehensive benefits package including Medical, Dental, Vision, Life Insurance, Disability, Transportation benefit, Health and Wellness benefit, and more. • 401k plan with employer matching • Equity • Competitive salary and bonus opportunities. • Dynamic and inclusive work environment. • Opportunities for growth and professional development. • Access to Greentown Labs' extensive network of cleantech startups. Learn How We Think • Learn about our startup journey: Our Journey • How we're combating climate change: AI-Powered Climate Tech • A customer story: Ben & Jerry's uses H2Ok's precision automation to cut time & water usage $114,000 - $180,000 a year Our pay ranges are established per Pave Compensation Software. We're also proud to offer equity in our fast-growing startup and one of the most comprehensive benefits packages among startups at our stage. Laminar pays 100% of the individual health insurance premium for HMO medical, vision, and dental, offers flexible PTO, a $90/month transportation benefit, a $65/month health and wellness benefit, FSA, 12 company-paid holidays, an employer-matching 401(k) (unheard of at this stage!), and Greentown Labs membership, among other valuable resources. (*subject to change) Why You'll Love it Here • A front-row seat at Greentown Labs, North America's largest cleantech innovation hub, in a Somerville neighborhood ranked one of the coolest in the world • Real recognition: 2026 World Economic Forum Technology Pioneer, Gold 2026 Edison Award, Unilever Startup of the Year, Innovator Awards by both Coca-Cola and ABInBev, and more • A team that celebrates together from rooftop lunches, ping pong matches, Lunch & Learns, and regular team events • Competitive salary, equity, and a 401(k) with company match • Health, dental, and vision coverage, plus short- and long-term disability and life insurance • Flexible time off and 12 company-paid holidays • A conference and learning budget to keep growing your craft • Greentown Labs membership and a transportation benefit for your commute Our Interview Process 1. Phone screen with Laminar Head of Ops or Recruiter (15-20 minutes) 2. Intro call with Hiring Manager (30 minutes) 3. On-site interview, including short tour of GTL, overview of tech, and interview/presentation with the Hiring Manager and a few team members. Depending on the role, a skills exercise that should take no longer than an hour to prep, would be sent ahead of time. We record your skills exercise to share with any team members who could not join the interview and/or with Founder's ahead of their Founder's Interview. If you are not local, we can conduct this virtually. 4. Finalists for Full-Time positions will have a Founder's Interview in-person Final steps: Two professional references are requested, ideally one from your current organization and one who served as your Manager If an Offer Letter is extended, a Background check is conducted